.not-found {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 20px;

  .not-found-container {
    text-align: center;
    background: white;
    border-radius: 15px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    padding: 3rem;
    max-width: 500px;
    width: 100%;

    .error-code {
      font-size: 5rem;
      font-weight: 800;
      color: #667eea;
      margin-bottom: 1rem;
      text-shadow: 3px 3px 0 rgba(0, 0, 0, 0.1);
    }

    h3 {
      color: #2c3e50;
      font-size: 2rem;
      margin-bottom: 1rem;
      font-weight: 700;
    }

    .error-message {
      color: #7f8c8d;
      font-size: 1.2rem;
      margin-bottom: 2rem;
    }

    .error-description {
      background: #f8f9fa;
      border-radius: 10px;
      padding: 1.5rem;
      margin-bottom: 2rem;
      text-align: left;

      p {
        color: #2c3e50;
        font-weight: 600;
        margin-top: 0;
        margin-bottom: 1rem;
      }

      ul {
        list-style-type: none;
        padding: 0;
        margin: 0;

        li {
          color: #7f8c8d;
          padding: 0.5rem 0;
          padding-left: 1.5rem;
          position: relative;

          &:before {
            content: "•";
            color: #667eea;
            position: absolute;
            left: 0;
            font-size: 1.2rem;
          }
        }
      }
    }

    .back-home {
      display: inline-block;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      padding: 12px 30px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: 600;
      transition: all 0.3s ease;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);

      &:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
      }

      &:active {
        transform: translateY(-1px);
      }
    }
  }

  // 响应式设计
  @media (max-width: 768px) {
    padding: 15px;

    .not-found-container {
      padding: 2rem;

      .error-code {
        font-size: 4rem;
      }

      h3 {
        font-size: 1.7rem;
      }

      .error-message {
        font-size: 1rem;
      }
    }
  }

  @media (max-width: 480px) {
    .not-found-container {
      padding: 1.5rem;

      .error-code {
        font-size: 3rem;
      }

      h3 {
        font-size: 1.5rem;
      }

      .error-description {
        padding: 1rem;
      }
    }
  }
}
